ASPRS v1.2 final classified LAS data grouped into 10 classifications: 1 = Unclassified, 2 = Ground, 3 = Low Vegetation, 4 = Medium Vegetation, 5 = High Vegetation, 6 = Building, 7 = Low point (noise), 8 = Model key-point (mass point), 9 = Water, 10 = Ignored Ground (breakline proximity). One-meter Nominal Point Spacing.